Seiko Cal. 6645 - 109

The Seiko 6645-109 represents an important milestone in Seiko's 1986 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a1013182cccf]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

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